Year 5 Square and Cube Numbers Worksheet — Level 2 — Practice Set 2 — Answers
Answer sheet with worked solutions for the Year 5 factors, multiples & primes worksheet.
Success TutoringWorksheetsAnswer sheetYear 5 · Mathematics · Factors, Multiples & PrimesYear 5 Square and Cube Numbers Worksheet — Level 2 — Practice Set 2 — Answers
A square number is a number times itself; a cube number is a number times itself three times.
1.102 = (answer space)
Answer: 100
- 10 × 10 = 100
2.√100 = (answer space)
Answer: 10
- 10 × 10 = 100
3.16 is a square number.
Answer: True
4 × 4 = 16
4.23 = (answer space)
Answer: 8
- 2 × 2 × 2 = 8
5.The cube root of 64 is (answer space).
Answer: 4
- 4 × 4 × 4 = 64
6.8 is a cube number.
Answer: True
2 × 2 × 2 = 8
7.62 = (answer space)
Answer: 36
- 6 × 6 = 36
8.√196 = (answer space)
Answer: 14
- 14 × 14 = 196
9.99 is a square number.
Answer: False
92 = 81 and 102 = 100, so 99 is not a square number.
10.43 = (answer space)
Answer: 64
- 4 × 4 × 4 = 64
11.The cube root of 125 is (answer space).
Answer: 5
- 5 × 5 × 5 = 125
12.216 is a cube number.
Answer: True
6 × 6 × 6 = 216
Marking tips
- Give credit for correct method even when the final answer slips — the working shows where the thinking went right.
- For open-ended tasks, use the success criteria as a checklist rather than looking for one "right" answer.
- Celebrate what went well first, then pick one thing to work on next.